/*css 初始化 */
html,
body,
ul,
li,
ol,
dl,
dd,
dt,
p,
h1,
h2,
h3,
h4,
h5,
h6,
form,
img {
  margin: 0;
  padding: 0;
}
img,
input,
button {
  border: none;
  padding: 0;
  margin: 0;
  /*去掉input等聚焦时的蓝色边框*/
  outline-style: none;
}
ul,
ol,
li {
  list-style: none;
}
img {
  border: 0;
  /*  去掉图片低测默认的3像素空白缝隙，或者用display：block也可以*/
  vertical-align: middle;
}
a {
  color: #646464;
  text-decoration: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 16px;
  text-decoration: none;
  font-weight: normal;
  /*设置h标签的大小，设置跟父亲一样大的字体font-size:100%;*/
  font-size: 100%;
}
.l {
  float: left;
}
.r {
  float: right;
}
.clearfix::after {
  content: '.';
  display: block;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  clear: both;
}
